c_cpp C程序找到从1到N的奇数和偶数之和

Posted 2021-05-14

//C program to find the sum of odd and even numbers from 1 to N
#include <stdio.h>

int main() {
	
	int sum_odd = 0;
	int sum_even = 0;
	int num;
	int i;

	printf("Enter number number: ");
	scanf("%d", &num);

	for (int i = 0; i < num; i++) {
		
		if (i % 2 == 0) {
			sum_even = sum_even + i;
		}
		else {
			sum_odd = sum_odd + i;
		}
	}
	printf("\n");
	printf("Summation of even: %d\n", sum_even);
	printf("Summation of odd: %d\n", sum_odd);

	return 0;
}